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Journal of the Korean Academy of Rehabilitation Medicine 1999;23(2):335-342.
Pudendal Somatosensory Evoked Potential in Korean Women: Reference Values.
Yoon, Kisung , Kim, Sang Beom , Kwak, Hyun , Ha, Nam Jin , Kwon, Heon Young , Cha, Moon Seok
1Department of Rehabilitation Medicine, Dong-A University, College of Medicine.
2Department of Urology, Dong-A University, College of Medicine.
3Department of Obstetrics, Dong-A University, College of Medicine.
4Department of Gynecology, Dong-A University, College of Medicine.
한국 정상 여성의 음부신경 체성감각 유발전위 참고치 설정
윤기성, 김상범, 곽현, 하남진, 권헌영1, 차문석2
동아대학교 의과대학 재활의학교실, 1비뇨기과학교실 및 2산부인과학교실
Abstract

Objective
To obtain reference values of early potential latency and amplitude of pudendal SEP in Korean normal women and to correlate those values with height and age.


Method
Twenty-three normal female with mean age of 45.27 years were evaluated for pudendal SEP. Stimulation was applied on the dorsal aspect of the clitoris with a bar electrode. Onset, P1, N1, P2 latencies and P0-P1, P1-N1, N1-P2 amplitudes were measured and those of both sides were analyzed.


Results
The mean latency of P0, P1, N1, P2 were 29.0⁑2.83 msec, 35.5⁑2.91 msec, 45.1⁑4.10 msec, 56.3⁑5.20 msec by the right pudendal nerve, and 28.6⁑3.11 msec, 35.2⁑2.93 msec, 45.0⁑3.83 msec, 56.5⁑5.33 msec by the left pudendal nerve. The amplitude ranges of P0-P1, P1-N1, N1-P2 were 0.31∼2.45 uV, 0.11∼2.24 uV, 0.21∼2.62 uV by the right pudendal nerve, and 0.29∼2.46 uV, 0.25∼2.21 uV, 0.12∼5.07 uV by the left pudendal nerve. There was tendency of prolongation of the latency with increasing the height. There is no difference of amplitude according to the height and the age. There was no significant difference between right and left sides in mean latency and range of amplitude of pudendal nerve SEPs, and between premenopause and postmenopause.


Conclusion
Normal reference of female pudendal SEP were established. We suggest that pudendal SEP can be used as one of useful diagnostic tools for female urogenital and neurologic disease.

Key Words: Latency of Pudendal SEP, Amplitude of Pudendal SEP, Korean normal women


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